The Federal Oil Conservation Board (FOCB) was created by United States president Calvin Coolidge in 1924 to investigate conditions in the oil industry. [1] [2] On its creation, the board consisted of the Secretary of War, Secretary of the Navy, Secretary of the Interior, and Secretary of Commerce. [3] Oil industry executives filed a lawsuit through the American Petroleum Institute to prevent the board from having any enforcement power. [4] It was superseded by the Petroleum Administrative Board in 1934. [5]